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Retired NBME 21 Answers

nbme21/Block 1/Question#28 (reveal difficulty score)
A 47-year-old man is brought to the emergency ...
Mixed venous oxygen tension ๐Ÿ” / ๐Ÿ“บ / ๐ŸŒณ / ๐Ÿ“–
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 +19  upvote downvote
submitted by โˆ—nicnac20(21)
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iMexd sunevo nygeox nisoent is teh onmuat of oynexg donub to ngelohmiob as it ntersru ot eth rghti eisd fo teh rhate frtea teinvrlga ot eth i.uessst

ceaDesrde xoeygn deerviyl ot eth ieussts ued to desdeecra raccdai toptuu lesda ot het ituesss cnxirettag more oyegxn rmfo teh ipgasns sRCB anht hyet mylnoalr l,dowu wihch eecasersd teh llvreoa xdmei oneuvs egxyon tnionse.

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pparalpha  A lpefulh toaqeuni is tCra=Oe of O2 nat/artumisoprcnl(oie 2O vutnoeo-nnscet 2O ttn:e)onc iFkc penlircip I f OC is ca,eerdsde nhet the fedfenierc wbenete airaretl 2O etcnnto dan voneus O2 nnoectt is driseacne +19
misterdoctor69  oT fclayir a lliett it,b eth essiuts nw'utodl eyisslrenac rcxatte RMEO enogxy from eth sagsipn sBRC hatn thye yolrnlma w.ulod Tehy udwlo xctaret the esam mouant sa ehty lrmnlaoy louwd ot ryrac tuo iehrt won fcnti.nsuo oevwre,H eebacsu the tiasngtr unatom fo 2O eerdedlvi to siustse is ,leowr uody' ned up iwth sesl O2 bdnou ot ibeoghnlom uenntirrg to het rtghi h.rtea +5
doso2222  taHer fluriae ;tg--& srecaedde caicard otputu t&g;-- owlesr oobld ruaicctnoli itme o(odlb is rome astanntg) &-tg-; ntaasrlte ot idaescnre neoygx ionretxact by esituss dna rrhfeoete ewslor xgyoen tsnnieo by het teim it rsertun ot teh rigth hetar. +



 +2  upvote downvote
submitted by โˆ—kentuckyfan(47)
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I gte hyw het exmid nsveou exgnoy nisnteo o,rr,ewdee.sv Hdcaee int's het emcytssi ruvslaac esciatesrn aols edcsdraee?

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yb_26  ,no edceesard OC g&=t; priealherp tirsoaocoivsntnc &;gt= VRS iwll eb rnsdceeia +8
yssya1992  oN SVR will snireace ude to RAAS adn NSA tstha wyh we cseredae laaodfret ni HF tntatreme ( A,CEI sABR ) +6
snafull  Wod'tnlu prmoluyan vrasacul enitrsacse losa be rddesceea rhee deu to aornmlupy ntlasidioova ni the iestgnt fo na ?IM +
cienfuegos  ull:an@fs my iiailnt gtuohht si thta ew dwoul ese muorlnyap otvncirassnotioc asceueb fo het itlvelaeyr wol goynxe enisnto that( ulersts mfro eht low arccaid .uuop)tt +3



 +1  upvote downvote
submitted by paloma(10)
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hatW obtau rlapynmou raasulcv ceiasner?st It folsowl eth emiscyts rucavasl ?ctsnreaeis

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cooldudeboy1  ekcarcsl era dehar yablieraltl os hteer si ulmp othap cwhhi slead ot dnaecseir lupm vsulacar t,esenracsi iesnc estyscim oolbd oswfl toni eht sug.ln yna olbck in hte owlf dahea un)(slg will neescira sctnaieres ni lfow ndbehi ( tsiysecm ) +4
mrglass  shTi etaipnt si oixpyhc idneersac ifsdifonu d.iacetsn sTih ausces yaormupnl cnatistrvco.noois Odlariinry ihts repneoss is igdsened to ntush bdool ot rpast of het lnugs ttha rae ellw dteaei,vtln tbu eht sospeenr si lvdtipaaame in loabgl hyxaopi +4
happyhib_  I tdno eblieev ddseeraec uvneso yexgon snieotn wolud aled to pouyranlm orcotionavstcins ih(st is picllytay ni eht ittgsen of wlo PA2O ouy ese t;hsi gnhtnusi dloob awya morf rylpoo neeodgtaxy l.vliaeo) ouY cna etg to sdcraenie umlanpyro uvsrcala netisrsace due ot lpmu mdaee morf Lfte atehr flniaig agiendl ot ulfid odlearov in lmpu uua.)ecrtsvla +



 -5  upvote downvote
submitted by โˆ—hayayah(1212)
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Mdxie evuons goxyne niotrautas ()OS2v si desruema in teh namyourpl a.yrrte vSO2 semalps eth teur iedxm ensovu lodob alngiev hte ihrgt hater. uenMtaesmre fo emxid esuvon ngxeyo asaroiuntt (S2)vO mrof eth umprnlaoy ateyrr ash nbee ddevcotaa sa na dtniicre enidx of steius anxo.yoitegn

nI iodriegccan ckohs ouy heva cdeesared OC ;&--gt dacedrsee O2 diyervle g&-;-t eearddecs vSO2.

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